Angle-resolved photoemission spectroscopy (ARPES), with its exceptional sensitivity to both
the binding energy and the momentum of valence electrons in solids, provides unparalleled …

The physics of quantum materials is dictated by many-body interactions and mathematical
concepts such as symmetry and topology that have transformed our understanding of matter …

Moiré superlattices in atomically thin van der Waals heterostructures hold great promise for
extended control of electronic and valleytronic lifetimes,,,,,–, the confinement of excitons in …

Angle-resolved photoemission spectroscopy (ARPES)—an experimental technique based
on the photoelectric effect—is arguably the most powerful method for probing the electronic …

Femtosecond mode-locked lasers producing visible/infrared frequency combs have steadily
advanced our understanding of fundamental processes in nature. For example, optical …

In this overview, I will briefly explore some of the basic concepts and observable effects in X-
ray photoelectron spectroscopy, including references to some key first publications, as well …

This review is focused on free-electron lasers (FELs) in the hard to soft x-ray regime. The
aim is to provide newcomers to the area with insights into: the basic physics of FELs, the …

High harmonic generation of ultrafast laser pulses can be used to perform angle-resolved
photoemission spectroscopy (ARPES) to map the electronic band structure of materials with …

Time-and angle-resolved photoemission spectroscopy (trARPES) employing a 500 kHz
extreme-ultraviolet light source operating at 21.7 eV probe photon energy is reported. Based …

In the last decade, there has been a proliferation of laser sources for time-and angle-
resolved photoemission spectroscopy (TR-ARPES), building on the proven capability of this …